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About This Item


Full Description


These requirements cover electrical rigid metal conduit - steel (ERMC-S), elbows, couplings, and nipples for use as a metal raceway for installation of wires and cables in accordance with CSA C22.1, Canadian Electrical Code, Part 1, NOM-001-SEDE, Standard for Electrical Installations, and NFPA 70, National Electrical Code (see Reference Item No. 1, Annex A). ERMC-S is provided with a zinc, zinc-based, nonmetallic, or other alternate corrosion-resistant exterior coating and an organic or zinc interior coating. It is the user's responsibility to determine the appropriate product for their application.

Non-ferrous and stainless steel conduit are covered by the standards listed in Reference Item No. 2, Annex A.

Document History

  1. CSA C22.2 NO. 45.1:22

    Electrical rigid metal conduit — Steel

    • Most Recent
  2. CSA C22.2 NO. 45.1-07 (R2017)


    Electrical Rigid Metal Conduit - Steel, Includes Update No. 1 (2010), Update No. 2 (2014), and Update No. 3 (2019)

    • Historical Version
  3. CAN/CSA C22.2 NO. 45.1-04

    Electrical Rigid Metal Conduit - Steel (Bi-National standard, with UL 6)

    • Historical Version